RU2008103875A - PAPER WITH IMPROVED RIGIDITY AND PULPITY AND METHOD FOR ITS PREPARATION - Google Patents

PAPER WITH IMPROVED RIGIDITY AND PULPITY AND METHOD FOR ITS PREPARATION Download PDF

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Publication number
RU2008103875A
RU2008103875A RU2008103875/12A RU2008103875A RU2008103875A RU 2008103875 A RU2008103875 A RU 2008103875A RU 2008103875/12 A RU2008103875/12 A RU 2008103875/12A RU 2008103875 A RU2008103875 A RU 2008103875A RU 2008103875 A RU2008103875 A RU 2008103875A
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Prior art keywords
paper
starch
layer
paperboard
coating
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RU2008103875/12A
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Russian (ru)
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RU2387752C2 (en
Inventor
Агне СВЕРИН (US)
Агне СВЕРИН
Джей К. СОНГ (US)
Джей К. СОНГ
Майкл ГЕРМАН (US)
Майкл ГЕРМАН
Питер Ф. ЛИ (NZ)
Питер Ф. ЛИ
Ладислав БЕДНАРИК (US)
Ладислав БЕДНАРИК
Сен ЯНГ (US)
Сен ЯНГ
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Интернэшнл Пейпер Компани (US)
Интернэшнл Пейпер Компани
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/80—Paper comprising more than one coating
    • D21H19/84—Paper comprising more than one coating on both sides of the substrate
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/07—Nitrogen-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
    • D21H19/34—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising cellulose or derivatives thereof
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/22—Addition to the formed paper
    • D21H23/52—Addition to the formed paper by contacting paper with a device carrying the material
    • D21H23/56—Rolls
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/10—Coatings without pigments
    • D21H19/12—Coatings without pigments applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H19/00—Coated paper; Coating material
    • D21H19/36—Coatings with pigments
    • D21H19/44—Coatings with pigments characterised by the other ingredients, e.g. the binder or dispersing agent
    • D21H19/54—Starch
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/22—Agents rendering paper porous, absorbent or bulky
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2984—Microcapsule with fluid core [includes liposome]
    • Y10T428/2985—Solid-walled microcapsule from synthetic polymer
    • Y10T428/2987—Addition polymer from unsaturated monomers only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31971—Of carbohydrate
    • Y10T428/31975—Of cellulosic next to another carbohydrate
    • Y10T428/31978—Cellulosic next to another cellulosic
    • Y10T428/31982—Wood or paper

Abstract

The invention provides a three layered reprographic paper having improved strength, stiffness and curl resistance properties, and a method for making same. The paper has a central core layer made largely of cellulose and bulked with a bulking agent such as a diamide salt. A starch-based metered size press coating is pressed on both sides of the core layer, wherein the starch has a high solid content. The coating forms a three layered paper having an I-beam arrangement with high strength outer layers surrounding a low density core.

Claims (32)

1. Бумага или картон, имеющая улучшенную пухлость и жесткость, содержащая:1. Paper or paperboard having improved bulk and stiffness, comprising: трехслойную, образующую единое полотно двутавровую структуру, имеющую верхний слой, центральный слой и нижний слой, в которой центральный слой представляет собой целлюлозный сердцевинный слой, а верхний и нижний слои представляют собой слои покрытия на основе крахмала, которые покрывают верхнюю и нижнюю поверхности центрального слоя c минимальным проникновением в центральный слой, иa three-layer, single web I-beam structure having an upper layer, a central layer and a lower layer, in which the central layer is a cellulosic core layer, and the upper and lower layers are starch-based coating layers that cover the upper and lower surfaces of the central layer c minimal penetration into the central layer, and наполнитель, проникающий в центральный слой.filler penetrating into the central layer. 2. Бумага или картон по п.1, в которой отношение толщины центрального слоя, по сравнению с толщиной бумаги или картона, находится в пределах между 1:50 и 1:1,1.2. The paper or cardboard according to claim 1, in which the ratio of the thickness of the Central layer, compared with the thickness of the paper or cardboard, is between 1:50 and 1: 1,1. 3. Бумага или картон по п.1, в которой масса на единицу площади бумаги находится в пределах от 59 до 410 г/м2, а масса на единицу площади каждого из верхнего и нижнего слоев покрытия находится в пределах от 2 до 10 г/м2.3. Paper or cardboard according to claim 1, in which the mass per unit area of the paper is in the range from 59 to 410 g / m 2 and the mass per unit area of each of the upper and lower layers of the coating is in the range from 2 to 10 g / m 2 . 4. Бумага или картон по п.1, в которой наполнитель выполнен из полимерного материала в форме микросфер.4. The paper or cardboard according to claim 1, in which the filler is made of a polymeric material in the form of microspheres. 5. Бумага или картон по п.1, в которой верхний и нижний слои формируются из раствора для проклеивания на основе крахмала, имеющего содержание твердых продуктов крахмала в пределах от 6 до 20 мас.%.5. The paper or paperboard of claim 1, wherein the upper and lower layers are formed from a starch-based sizing solution having a starch solids content in the range of 6 to 20% by weight. 6. Бумага или картон по п.1, в которой наполнитель представляет собой продукт на основе диамидной соли.6. The paper or paperboard of claim 1, wherein the filler is a diamide salt based product. 7. Бумага или картон по п.1, в которой наполнитель изготавливают из полимерного материала в форме микросфер, выбранного из группы, состоящей из метилметакрилата, орто-хлоростирола, полиорто-хлоростирола, поливинилбензилхлорида, акрилонитрила, винилиденхлорида, пара-трет-бутилстирола, винилацетата, бутилакрилата, стирола, метакриловой кислоты, винилбензилхлорида и сочетания из двух или более из указанных выше.7. The paper or cardboard according to claim 1, in which the filler is made of a polymeric material in the form of microspheres selected from the group consisting of methyl methacrylate, ortho-chlorostyrene, polyortho-chlorostyrene, polyvinylbenzyl chloride, acrylonitrile, vinylidene chloride, para-tert-butyl styrene, vinyl acetate , butyl acrylate, styrene, methacrylic acid, vinyl benzyl chloride, and a combination of two or more of the above. 8. Бумага или картон по п.7, в которой центральный слой дополнительно содержит удерживающий агент.8. The paper or paperboard of claim 7, wherein the center layer further comprises a retention agent. 9. Бумага или картон по п.1, в которой центральный слой дополнительно содержит добавку, выбранную из группы, состоящей из наполнителей, поверхностно-активных веществ, склеивающих агентов или их сочетаний.9. The paper or paperboard of claim 1, wherein the center layer further comprises an additive selected from the group consisting of fillers, surfactants, adhesives, or combinations thereof. 10. Бумага или картон по п.1, в которой крахмал выбирается из группы, состоящей из гидроксиэтилированного крахмала, окисленного крахмала, катионно модифицированного или ферментативно преобразованного крахмала из любого обычно используемого источника крахмала, например из картофеля, кукурузы, пшеницы, риса или тапиоки.10. The paper or paperboard of claim 1, wherein the starch is selected from the group consisting of hydroxyethylated starch, oxidized starch, cationically modified or enzymatically converted starch from any commonly used starch source, for example from potato, corn, wheat, rice or tapioca. 11. Бумага или картон по п.1, в которой верхний и нижний слои дополнительно содержат агент для поперечной сшивки.11. The paper or paperboard of claim 1, wherein the upper and lower layers further comprise a crosslinking agent. 12. Бумага или картон по п.1, в которой верхний и нижний слои дополнительно содержат модификатор вязкости.12. The paper or paperboard of claim 1, wherein the upper and lower layers further comprise a viscosity modifier. 13. Бумага или картон по п.1, в которой верхний и нижний слои дополнительно содержат пигмент.13. The paper or cardboard according to claim 1, in which the upper and lower layers additionally contain pigment. 14. Бумага или картон по п.1, дополнительно содержащая добавки, выбранные из группы, состоящей из поливиниловых спиртов, аммоний цирконий карбоната, боратных химикатов, глиоксаля, меламинформальдегида, измельченных и преципитированных карбонатов кальция, глин, талька, TiO2 и окиси кремния или их сочетаний.14. The paper or paperboard of claim 1, further comprising additives selected from the group consisting of polyvinyl alcohols, ammonium zirconium carbonate, borate chemicals, glyoxal, melamine formaldehyde, ground and precipitated calcium carbonates, clays, talc, TiO 2 and silicon oxide or their combinations. 15. Бумага или картон по п.1, в которой верхний и нижний слои образованы покрытием раствора крахмала с содержанием твердых продуктов от 12 до 20 мас.%.15. The paper or cardboard according to claim 1, in which the upper and lower layers are formed by coating a starch solution with a solids content of from 12 to 20 wt.%. 16. Бумага или картон по п.1, в которой верхний и нижний слои образованы покрытием раствора крахмала с содержанием твердых продуктов от 12 до 18 мас.%.16. The paper or cardboard according to claim 1, in which the upper and lower layers are formed by coating a starch solution with a solids content of from 12 to 18 wt.%. 17. Бумага или картон, имеющая улучшенную пухлость и жесткость, содержащая:17. Paper or paperboard having improved puffiness and stiffness, comprising: трехслойную, образующую единое полотно двутавровую структуру, имеющую верхний слой, центральный слой и нижний слой, в котором центральный слой представляет собой целлюлозный сердцевинный слой, и верхний и нижний слои представляют собой слои покрытия на основе крахмала, которые покрывают верхнюю и нижнюю поверхность центрального слоя, масса покрытия на основе крахмала каждого из верхнего и нижнего слоев покрытия находится в пределах от 2 до 10 г/м2, иa three-layer, single web I-beam structure having an upper layer, a central layer and a lower layer, in which the central layer is a cellulosic core layer, and the upper and lower layers are starch-based coating layers that cover the upper and lower surfaces of the central layer, the mass of the starch-based coating of each of the upper and lower coating layers is in the range of 2 to 10 g / m 2 , and наполнитель, проникающий в целлюлозный сердцевинный слой.filler penetrating into the cellulosic core layer. 18. Способ для изготовления бумаги или картона, включающий в себя стадии:18. A method for making paper or paperboard, comprising the steps of: a) создания композиции, содержащей целлюлозные волокна и наполнитель,a) creating a composition containing cellulosic fibers and a filler, b) формирования волокнистого полотна из композиции для изготовления бумаги,b) forming a fibrous web from a composition for making paper, c) обработки полотна c помощью раствора на основе крахмала с формированием верхнего и нижнего слоев покрытия с высокой прочностью на верхней и нижней сторонах волокнистого полотна, иc) treating the web with a starch-based solution to form upper and lower coating layers with high strength on the upper and lower sides of the fibrous web, and d) сушки обработанного волокнистого полотна с формированием трехслойного, образующего единое полотно материала, имеющего двутавровую структуру.d) drying the treated fibrous web with the formation of a three-layer, forming a single web material having an I-beam structure. 19. Способ по п.18, в котором отношение толщины волокнистого полотна, по сравнению с толщиной бумаги или картона, находится в пределах между 1:50 и 1:1,1.19. The method according to p, in which the ratio of the thickness of the fibrous web, compared with the thickness of the paper or cardboard, is between 1:50 and 1: 1.1. 20. Способ по п.18, в котором масса на единицу площади бумаги находится в пределах между 59 и 410 г/м2, а масса на единицу площади каждого из верхнего и нижнего слоев покрытия находится в пределах между 2 и 10 г/м2.20. The method according to p. 18, in which the mass per unit area of the paper is in the range between 59 and 410 g / m 2 and the mass per unit area of each of the upper and lower layers of the coating is in the range between 2 and 10 g / m 2 . 21. Способ по п.18, в котором уровень крахмала из верхнего и нижнего слоев покрытия в волокнистом полотне является незначительным.21. The method according to p, in which the level of starch from the upper and lower layers of the coating in the fibrous web is negligible. 22. Способ по п.18, в котором верхний и нижний слои покрытия имеют содержание твердых продуктов в крахмале, меньшее, чем 20 мас.%.22. The method according to p, in which the upper and lower layers of the coating have a solids content in starch of less than 20 wt.%. 23. Способ по п.18, в котором для обработки используют устройство для дозированного проклеивания.23. The method according to p, in which for processing using a device for dosed sizing. 24. Способ по п.18, в котором наполнитель представляет собой продукт на основе диамидной соли.24. The method according to p, in which the filler is a product based on a diamide salt. 25. Способ по п.18, в котором композиция дополнительно содержит добавку, выбранную из группы, состоящей из: наполнителей, поверхностно-активных веществ или их сочетаний.25. The method according to p, in which the composition further comprises an additive selected from the group consisting of: fillers, surfactants, or combinations thereof. 26. Способ по п.18, в котором крахмал выбирается из группы, состоящей из: гидроксиэтилированного крахмала, окисленного крахмала, катионно модифицированного или ферментативно преобразованного крахмала из любого обычно используемого источника крахмала, например из картофеля, кукурузы, пшеницы, риса или тапиоки.26. The method according to p, in which the starch is selected from the group consisting of: hydroxyethylated starch, oxidized starch, cationically modified or enzymatically converted starch from any commonly used starch source, for example from potato, corn, wheat, rice or tapioca. 27. Способ по п.18, в котором раствор для проклеивания дополнительно содержит добавку, выбранную из группы, состоящей из: поливиниловых спиртов, аммоний цирконий карбоната, боратных химикатов, глиоксаля, меламинформальдегида, измельченных и преципитированных карбонатов кальция, глин, талька, TiO2 и окиси кремния или их сочетаний.27. The method according to p. 18, in which the sizing solution further comprises an additive selected from the group consisting of: polyvinyl alcohols, ammonium zirconium carbonate, borate chemicals, glyoxal, melamine formaldehyde, ground and precipitated calcium carbonates, clays, talc, TiO 2 and silicon oxide or combinations thereof. 28. Способ по п.18, в котором раствор крахмала, для раствора на основе крахмала высокой прочности, предварительно варят вместе c боратным химикатом перед обработкой посредством проклеивания.28. The method according to p. 18, in which the starch solution, for a solution based on starch of high strength, pre-cooked together with a borate chemical before processing by sizing. 29. Способ по п.18, в котором используют наполнитель из полимерного материала в форме микросфер.29. The method according to p. 18, which use a filler of a polymeric material in the form of microspheres. 30. Способ по п.18, в котором используют наполнитель из полимерного материала в форме микросфер, выбранного из группы, состоящей из метилметакрилата, орто-хлоростирола, полиорто-хлоростирола, поливинилбензилхлорида, акрилонитрила, винилиденхлорида, пара-трет-бутилстирола, винилацетата, бутилакрилата, стирола, метакриловой кислоты, винилбензилхлорида и сочетания из двух или более из указанных выше.30. The method according to p. 18, which uses a filler of a polymeric material in the form of microspheres selected from the group consisting of methyl methacrylate, ortho-chlorostyrene, polyortho-chlorostirol, polyvinylbenzyl chloride, acrylonitrile, vinylidene chloride, para-tert-butyl styrene, vinyl acetate, butyl acrylate , styrene, methacrylic acid, vinyl benzyl chloride, and a combination of two or more of the above. 31. Способ по п.18, в котором используют раствор на основе крахмала с содержанием твердых продуктов от 12 до 20 мас.%.31. The method according to p. 18, which use a solution based on starch with a solids content of from 12 to 20 wt.%. 32. Способ по п.18, в котором используют раствор на основе крахмала с содержанием твердых продуктов от 12 до 18 мас.%. 32. The method according to p. 18, in which use a solution based on starch with a solids content of from 12 to 18 wt.%.
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